Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Orange / Alligator

Reference 2918.50.38

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Orange / Alligator

About this watch

The Omega Seamaster Planet Ocean 2918.50.38 is a masterpiece of luxury watchmaking, blending elegance and ruggedness in its stainless steel case and black dial with orange accents. This robust timepiece boasts an impressive water resistance of 600 meters, making it perfect for divers and adventurers alike. The automatic Omega caliber 3313 movement features a co-axial escapement, ensuring accuracy and reliability with its 28,800 vibrations per hour frequency. A chronograph function adds to the watch's functionality, allowing users to time their activities with pinpoint precision. The sapphire crystal glass provides excellent scratch resistance, while the alligator leather strap offers comfort and durability. This iconic model is a testament to Omega's legacy of quality and craftsmanship, making it an investment-worthy piece for collectors and enthusiasts.

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MSRP: $6,900

Market Price: $3,827

Key Features

Omega caliber 3313 automatic movement
600m water resistance
Sapphire crystal glass
Rotating 0-60 bezel
Alligator leather strap

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Chronograph Stainless Steel / Orange / Alligator

Reference

2918.50.38

Movement

3313

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Column wheel
Co-Axial Escapement

Case

Stainless Steel 45.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 8500 232.30.46.21.01.001 45.5mm

Omega - 232.30.46.21.01.001 · $4,500

This Omega Seamaster Planet Ocean 8500 features a 45.5mm case size and is available for sale in excellent condition, complete with all original accessories.

Condition: Excellent condition
Size: 45.5mm diameter
Case material: unknown

Posted at

May 15, 2026, 2:44 PM

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Omega Seamaster Planet Ocean GMT GoodPlanet 232.30.44.22.03.001 43.5mm

Omega - 232.30.44.22.03.001 · $4,900

This Omega Seamaster Planet Ocean GMT features a 43.5mm case and is available with its original boxes and papers.

Condition: Excellent
Case Diameter: 43.5mm

Posted at

May 15, 2026, 2:41 PM

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Omega Seamaster Planet Ocean 600M – 232.92.42.21.03.001 – 42mm Titanium – $4,695

Omega - 232.92.42.21.03.001 · $4,695

Case material: titanium
Case size: 42mm

Posted at

May 15, 2026, 9:16 AM

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Omega Seamaster Planet Ocean 2200.51 – 45mm – Full Set – $3,995

Omega - 2200.51 · $3,995

This Omega Seamaster Planet Ocean features a 45mm stainless steel case, black dial and bezel, Co-Axial Caliber 2500 automatic movement, and 600m water resistance. It is a great everyday diver with strong build quality and classic design.

Condition: Very clean overall with light wear consistent with age
Case size: 45mm diameter
Movement type: Co-Axial Caliber 2500
Water resistance depth: 600m

Posted at

May 15, 2026, 9:11 AM

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Omega Seamaster Planet Ocean 600M 43.5mm 215.30.44.21.01.001 | 2024 Box and Papers

Omega - 215.30.44.21.01.001 · $4,650

The Omega Planet Ocean is a high-end diver's watch with a 43.5mm case, featuring a Master Chronometer certification and 600M water resistance.

Condition: Great Pre-Owned
Case Size: 43.5mm diameter
Depth Rating: 600m
Water Resistance: 30ATM

Posted at

May 14, 2026, 7:41 PM

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[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,400

This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

Condition: Fantastic with minor hairlines on case, clasp, or bracelet
Case size: 45.5mm diameter
Water resistance: 600m depth rating

Posted at

May 14, 2026, 7:19 AM

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Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

Omega - Planet Ocean 2201.51 · $2,690

This Omega Seamaster Planet Ocean 2201.51 is a 42mm automatic watch with an Omega Calibre 2500 movement. It has a steel case and original Omega steel bracelet.

Condition: Very good condition, with minimal marks/hairlines on case and bracelet
Case size: 42mm diameter
Movement: Omega Calibre 2500
Crystal type: AR Coating

Posted at

May 14, 2026, 4:30 AM

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Omega Seamaster Planet Ocean 600M – 42mm Titanium – Mint Set

Omega - 232.90.42.21.03.001 · $4,950

The Omega Seamaster Planet Ocean 600M features a titanium case and bracelet, blue ceramic bezel and dial, and an automatic chronometer movement.

Condition: Mint condition
Case size: 42mm
Water resistance: 2000ft / 600m
Movement: Omega Calibre 8500 automatic chronometer

Posted at

May 13, 2026, 12:51 PM

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Omega Seamaster Planet Ocean Orange 232.30.42 42mm - $3,350 - Reserved Post for u/3twellv

Omega - 232.30.42.21.01.002 · $3,350

This Omega Seamaster Planet Ocean Orange features a steel case and original Omega steel bracelet. It has a clean crystal and AR coating, and all functions are working well.

Condition: Excellent (8.8/10) - minimal marks/hairlines on case, bezel insert and bracelet
Case size: 42mm diameter
Bracelet type: Original Omega steel bracelet
Bezel material: Steel

Posted at

May 13, 2026, 3:59 AM

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